Add the following 1 2 2 3

- Add 1 2 2 3
- Add the following 1 2 2 3 3 4
- Add the following 1/2+3/4+7/8
- Add the following 1 2 3 5
- Add the fraction 1 2 2 3
- Add the following fractions 1 2 3 8
- Add the following fraction 1 2 3 4
- Add 1 2 3 2 4 5
- Add 1 2/3 2 5/9
- Add the following fractional numbers 1 2 3 2 7 2
- Add the following fraction 2 5 3 2 1 7